Senior ISSO: RMF/ATO Lead (TS/SCI)

IBM; Herndon (VA); Hybrid; USD 140,000 - 180,000; Full time

Job summary

IBM Consulting is seeking an ISSO to plan, execute, and maintain RMF-based accreditation activities to achieve an Authority to Operate (ATO). You will lead security posture efforts, coordinate with software and system architects, and drive compliance across cross-functional teams.

The role requires strong knowledge of NIST RMF, SP 800-53 Rev. 5, and DoD/IC authorization processes, plus Security+ and a TS/SCI CI Poly clearance on day one.

Qualifications

• Led one or more systems through RMF ATO lifecycle.
• Self-starting, high-visibility, high-priority project leadership.
• Able to work independently with strong writing, communication, and PM skills.
• Deep knowledge of NIST RMF, NIST SP 800-53 Rev. 5, and DoD/IC authorization processes.
• Security+ certification is required.
• Experience in risk management, security controls, vulnerability management, and continuous monitoring.
• Must possess TS/SCI CI Poly clearance on day 1.

Responsibilities

• Plan, execute, and maintain system accreditation to achieve and sustain ATO.
• Lead security activities with architects to ensure controls meet standards.
• Coordinate across cross-functional teams to develop security docs and assessments.
• Oversee risk management and continuous monitoring to meet compliance.

Skills

RMF ATO leadership

Self-starter

Independent work

NIST RMF & SP 800-53 Rev.5

Security+ certification

Risk management & continuous监控

TS/SCI CI Poly clearance

Education

Bachelor's Degree

Job description

IBM Consulting is seeking an ISSO to plan, execute, and maintain RMF-based accreditation activities to achieve an Authority to Operate (ATO). You will lead security posture efforts, coordinate with software and system architects, and drive compliance across cross-functional teams.

The role requires strong knowledge of NIST RMF, SP 800-53 Rev. 5, and DoD/IC authorization processes, plus Security+ and a TS/SCI CI Poly clearance on day one.